Added Cube.nonadditive_type(aggregate)
Added Cube.nonadditive_type(aggregate)

zejn/cubes,she11c0de/cubes,noyeitan/cubes,noyeitan/cubes,pombredanne/cubes,ubreddy/cubes,she11c0de/cubes,cesarmarinhorj/cubes,ubreddy/cubes,zejn/cubes,cesarmarinhorj/cubes,zejn/cubes,jell0720/cubes,pombredanne/cubes,noyeitan/cubes,ubreddy/cubes,pombredanne/cubes,jell0720/cubes,she11c0de/cubes,jell0720/cubes,cesarmarinhorj/cubes